From: kub <derkub@gmail.com>
Date: Sun, 14 Nov 2021 20:16:51 +0000 (+0100)
Subject: sh2 drc, fix arm32 ld/st offset for -256
X-Git-Tag: v2.00~413
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97be0d15b6e271d46cceba516f708d98c84bd647;p=picodrive.git

sh2 drc, fix arm32 ld/st offset for -256
---

diff --git a/cpu/sh2/compiler.c b/cpu/sh2/compiler.c
index bb2206c1..7e622cda 100644
--- a/cpu/sh2/compiler.c
+++ b/cpu/sh2/compiler.c
@@ -2615,7 +2615,7 @@ static uptr split_address(uptr la, uptr mask, s32 *offs)
   // arm32 offset has an add/sub flag and an unsigned 8 bit value, which only
   // allows values of [-255...255]. the value -256 thus can't be used.
   if (*offs + sign == 0) {
-    la += sign;
+    la -= sign;
     *offs += sign;
   }
 #endif